Yokogawa AAI841 Analog Input/Output Module

The Yokogawa AAI841 is a versatile analog input/output (I/O) module designed for industrial automation. It provides high flexibility for various process control applications, making it ideal for industries like manufacturing, oil and gas, and power generation. The module supports both analog input and output, enabling precise measurements and control over a wide range of systems. It is compatible with Yokogawa control systems and other industry-standard protocols.

Technical Specifications

Analog Inputs

• Number of Channels: 16 channels (typically).
• Input Signals:
  • 4-20 mA
  • 1-5 V DC
• Accuracy: High accuracy for precise process measurements.
• Configurable Input Ranges: Adapts to various sensor types.

Analog Outputs

• Number of Channels: 16 channels.
• Output Signals:
  • Voltage output (-10 to +10 V DC).
• Applications: Suitable for controlling actuators, valves, and other devices.
• Isolation: Input and output circuits are isolated for safety.

Non-Isolated Version

• Cost-Effective: Non-isolated versions available, though they have certain application limitations.

Dual-Redundant Configuration

• Redundancy: Increases reliability and fault tolerance by enabling dual-redundant setups.

KS Cable Interface Adapter

• Model: ATK4A-00.
• Use: Optional adapter for specific applications.

External Connections

• Connectors: Pressure clamp terminal, KS cable, MIL connector cable.

Power Supply

• Transmitter Power Supply: 14.8 V or higher at 20 mA, 26.4 V or less at 0 mA.

Update Period

• Data Update: 10 ms for fast response.

Accuracy

• Input Accuracy: ±16 µA.

Environmental and Physical Specifications

• Dimensions: 5.0″ x 1.0″ x 5.0″ (12.7 cm x 2.5 cm x 12.7 cm).
• Weight: 0.3 kg (11 oz)